Cone or gear pulling tool



A. L. BLESSING AND 0. 0. NELSON. CONE 0R GEAR PULLING TOOL.

APPLICATION FILED JULY 26. 1919 1,355,028, Patented Oct. 5, 1920 WITNESS: IN V ENTORS A TTORNE Y.

UNITED VSTATES'TPATENT OFFICE.

ARTHUR L. BLESSING AND CARL O. NELSON, 0F SALINA, KANSAS.

CONE OR GEAR Application filed July 26,

'1 0 all whom it may concern.

Be it known that we, ARTHUR L. BLESSING and CARL O. NnLsoN, citizens of the United States, resicing at Salina, in the county of Saline and State of Kansas, have invented new and useful Improvements in Cone or Gear Pulling Tools, of which the following is a specification.

This invention comprehends the provision of a tool for pulling cones, gears or any other parts from a shaft, and is designed to permit it to be readily and conveniently associated with the part to be removed.

Parts such as ball bearings or cones, are frequently pressed upon a shaft, into engagement with a shoulder thereon, and with tools for removing the same, with which we are familiar, it is necessary to engage the cone at the end adjacent the shoulder, thus making it a difiicult and tedious work.

To facilitate this work, the invention embodies amongother features, a plurality of clamping elements which can-be conveniently arranged in the groove of the cone, in combination with a novel construction of means for exerting a pull upon the cone for removing the same from the shaft.

In carrying out the invention use is made of an adjustlng screw movable through the bore of the tool from one end thereof, and a plunger movable through the bore of the tool under the influence of the screw, and providing a connection between the latter and the end of the shaft, from which the part is to be removed, so that as the screw is adjusted, a pull is exerted upon the tool thus removing the part from the shaft.

The nature and advantages of the invention will be better understood when the following detailed description is taken in con-- nection with the accompanying drawings, the invention residing in the construction, combination and arrangement of parts as claimed.

In the drawings forming part of this specification like numerals of reference indi cate similar parts of the several views and wherein Figure 1 is a longitudinal sectional view through the tool showing the manner of using the same.

Fig. 2 is an end elevation.

Fig. 3 is a detailed view of one of the plungers.

\Vhile we have shown and are about to describe the invention used for the purpose of Specification ofLetters Patent.

Patented Oct. 5, 1920.

1919. Serial No. 313,436.

removing cones from a shaft, we desire to have it understood that this is merely illustrative and that the general application for use of the tool for removing various parts from a shaft is contemplated by the claims.

The tool forming the subject'matter of our invention comprises a body portion 10 having a longitudinal bore 11 opening at both ends of the device. The body portion may be constructed from any suitable material, size and cross sectional configuration without departing from the spirit of the invention. An adjusting screw 12 is arranged aX- ially of the bore 11, and is movable therethrough by reason of its threaded engage- 11161113 with one end of the body 10. The exposed extremity of the screw 12 is of angular formation as at 13, to accommodate a tool of any suitable character for adjusting the screw. A plunger, preferably of the design illustrated in Fig. 3 is arranged within the bore 11, and constitutes a connecting element between the adjacent end of the screw and the shaft 14 from which the cone 15 is adapted to be removed. This plunger is provided with an enlarged portion 16 and a reduced portion 17. The plunger is arranged within the bore with the enlarged portion 16 adjacent the adjusting screw 12, which engages the plunger and moves the latter, or the opposite end thereof into engagement with the shaft 14 when the tool is in use. The reduced portion 17 obviously permits the cone 15 to be removed from the shaft over the reduced portion 17.

Various means may be employed for taking hold of the cone or other part to be removed from the shaft, but as shown in this specific instance, use is made of a plurality of set screws 18 which are threaded through openings 19 in the end of the tool, and disposed at diametrically opposite points. The set screws 18 as shown in Fig. 2 are adapted to be moved into engagement with the groove 15 of the cone 15. This construction and arrangement provides for a quick and easy association of the tool with the stood. V

" While we have shown and described what we consider the preferred embodiment of the invention we desire to have it understood that we do not limit ourselves in this connection and that such changes may be resorted to when desired as fall within the scope of what is claimed.

What we claim is p 1. A tool of a character described comprising a body portion having a longitudinal bore opening at both ends, clamping elements carried by the tool adjacent one end thereof, and an adjusting screw movable through said bore from the opposite end of said body portion, and a plunger removably fitted in said body portion, and actuated by said screw. 7

2. A tool of a character described comprising a body portion having a longitudinal bore opening at both ends, clamping elements carried by the tool and movable within said bore transversely thereof, an

adjusting screw movable longitudinally within the here from the opposite end of said body portion, and a plunger removably fitted in said body portion, and a plunger freely slidable within said bore and adapted to'be moved in one direction by said screw.- V

' 3. A tool of: a character described comprising a body portion having a longitudinal bore opening at both ends, clamping means carried by one end ofthe tool, an adjusting screw movable within the bore from theoppo'site end of said tool, a plunger fitted within said bore and comprising relatively large and reduced portions, said reduced portion adapted to bear against the shaft upon which the tool is clamped, said screw operating against the large portion of the plunger. 7 g

4. A toolof a character described comprising a body portion'having a longitudinal bore opening at both ends, a plurality of radially" disposed set screws adjustably associated with one end of the tool and movable transverselythereof within said bore, an adjusting screw movable at the opposite end of said tool, and a plunger arranged to slide within the bore and controlled in its movement by said screw.

ARTHUR L. BLESSING.

CARL o. NELSON. 

